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I don't know who's right or wrong but those chic peas in the first pic sure look good. Did you try them?

Seriously, your boss is dead ass wrong. The customer is paying for a service he didn't get. If I was the customer and found out I'd be madder than a wet hornet.

The picture in my avatar is of the Houston Ship Channel and was taken from my backyard. I like to sit outside and slap mosquitos while watching countless supertankers, barges and cargo ships of every shape and size carry all sorts of deadly toxins to and fro. It's really beautiful at times.....just don't eat the three eyed fish....

I might not have been clear , the second round was replacing the main valve ( what the chrome knob is attached to ) I think thats what its called.

The pilot valve assembly on this unit controls the pilot , and it also shuts off the gas going to the main valve. I replaced that pilot valve 1st , thats the 160k , (but originally had a 335k )

So in order it would go like this ... gas comes piped into unit , goes thru regulator , then to pilot assy .... and when pilot assy senses pilot is lit , it allows gas to flow through it , gas then travels to this valve with chrome knob ( i call main valve ) which sends gas directly to burner.

Boss claims this valve was bad also. I dont buy that , simply because its a on/ off valve. You take it apart and its merely a snow cone looking brass part with a hole in it.

these doohickys , main gas valve , which giving Boss man a tiny bit of credit , did indeed make the flame a itsy bitsy bit higher when i replaced it, but its still a small ass flame comming off the burner. Maybe 3/4 inch tall.

One things for sure , they wont have to worry about over heating the unit anymore ... LOL

it's not about the hight of the flame, but the btu capacity of the pilot for smooth and safe ignition of the gas available in combustion chamber. that's why couple million btu boiler always have furnace size pilot. if the original spec called for 355k you better put 355k or other approved pilot. if not you're altering the engineering and just void off all UL or warnock-hersey or other type approval. if anything blow it's on your hand.

Parts Changer Extraordinaire
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Have tools and gauges, will travel.

it's not about the hight of the flame, but the btu capacity of the pilot for smooth and safe ignition of the gas available in combustion chamber. that's why couple million btu boiler always have furnace size pilot. if the original spec called for 355k you better put 355k or other approved pilot. if not you're altering the engineering and just void off all UL or warnock-hersey or other type approval. if anything blow it's on your hand.

i haven't heard one word about using a manometer to check input or output or manifold pressure to see whats up.....measuring the height of the flame?????

Is there a nameplate with the BTU rating for the burner? Manifold pressures would be helpful. You could clock the gas meter to see if you're flowing enough gas.

"The bitterness of poor quality remains long after the sweetness of low price is forgotten". --Benjamin Franklin
"Don't argue with an idiot, they will drag you down to their level and beat you with experience". --Mark Twainhttp://www.campbellmechanical.com